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unit Main;
{$mode objfpc}{$H+}
interface
uses
Classes, ExtCtrls, LR_Class, StdCtrls, SysUtils,
Forms, Controls, Graphics, TAGraph, TASeries, TASources;
type
{ TForm1 }
TForm1 = class(TForm)
btnShowReport: TButton;
Chart1: TChart;
Chart1BarSeries1: TBarSeries;
frReport1: TfrReport;
ListChartSource1: TListChartSource;
Panel1: TPanel;
procedure btnShowReportClick(Sender: TObject);
procedure FormCreate(Sender: TObject);
procedure frReport1EnterRect(Memo: TStringList; View: TfrView);
end;
var
Form1: TForm1;
implementation
{$R *.lfm}
uses
Math, Printers, TADrawUtils, TADrawerCanvas;
{ TForm1 }
procedure TForm1.btnShowReportClick(Sender: TObject);
begin
frReport1.ShowReport;
end;
procedure TForm1.FormCreate(Sender: TObject);
begin
frReport1.LoadFromFile('chart.lrf');
end;
procedure TForm1.frReport1EnterRect(Memo: TStringList; View: TfrView);
var
bmp: TBitmap;
pv: TfrPictureView;
factor: Double;
begin
if Memo.Count = 0 then exit;
if (Memo[0] = 'Chart1') and (View is TfrPictureView) then begin
pv := View as TfrPictureView;
factor := Max(Printer.XDpi, Printer.YDpi) / Screen.PixelsPerInch;
bmp := TBitmap.Create;
try
bmp.Width := Round(pv.Width * factor);
bmp.Height := Round(pv.Height * factor);
Chart1.Draw(
TScaledCanvasDrawer.Create(bmp.Canvas, factor, [scaleFont, scalePen]),
Rect(0, 0, bmp.Width, bmp.Height));
pv.Picture.Bitmap.Assign(bmp);
finally
bmp.Free;
end;
end;
end;
end.
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